1.Grade:553,441,411,331,3303,211,2202, 2.Size: 10-100mm,90% min. 3.MOQ: 24tons. 4.ISO and SGS qu Application: 1. Used in aluminum: An additive to aluminum alloys, silicon is used to increase the fluidity and tenacity of Aluminum and its alloys, which enjoy good castability and weldability accordingly. 2. Used in organic chemicals: Silicon metal is used in manufacturing a number of sorts of ...